TY  - BOOK
AU  - Lawson, James Llewellyn
AU  - Uhlenbeck, George E.
TI  - THRESHOLD SIGNALS
U1  - 621.384136 
PY  - 1950///
CY  - N. Y.
PB  - Mcgraw-Hill
KW  - Radio -- Receivers And Reception
KW  - Radio -- Interference
KW  - Perception
ER  -